- Exam
- NEET
- Subject
- Physics
- Chapter
- Magnetic Effects of Current
NEET · Physics · Magnetic Effects of Current
Given below two statements : One is labelled as Assertion (A) and...
Given below two statements : One is labelled as Assertion (A) and other is labelled as Reason (R).
Assertion (A): Non-polar materials do not have any permanent dipole moment.
Reason (R): When a non-polar material is placed in an electric field, the centre of the positive charge distribution of it's individual atom or molecule coincides with the centre of the negative charge distribution.
In the light of above statements, choose the most appropriate answer from the options given below.
Options
- ABoth (A) and (R) are correct and (R) is the correct explanation of (A).
- BBoth (A) and (R) are correct and (R) is not the correct explanation of (A).
- C(A) is correct but (R) is not correct.
- D(A) is not correct but (R) is correct.
Correct answer
C. (A) is correct but (R) is not correct.
Step-by-step solution
Non-polar materials do not have any permanent dipole moment. This statement is true.
When a non-polar material is placed in an electric field, centre of positive charge is pushed in the direction of the electric field and centre of the negative charge is pushed in the direction opposite to the electric field. Hence, they don't coincide. Therefore, reason is false.